DEVICE FOR ROTATING LIQUID IN SPRAY NOZZLE, UNIT CONTAINING SUCH A DEVICE AND DEVICE FOR APPLYING COATING Russian patent published in 2021 - IPC B05B1/30 B05B1/34 B05B7/10 

FIELD: mechanical engineering.
SUBSTANCE: invention relates to device for rotating liquid inside spray nozzle, in particular to spray nozzle for manual or automatic spray gun for applying coating product. Spray gun for spraying coating product comprising a spray nozzle; a needle valve being able to move inside the spray nozzle for its closure; and a device for rotating coating product inside spray nozzle comprising a shell having at least one helical groove and/or a helical opening for passage of the whole flow or part of the flow of coating product, with the device comprising a central through hole for passage of the needle valve closing the spray nozzle.
EFFECT: invention enables production of the rotating device which is simple to produce, has lower costs for production and is simpler when installing inside the spray nozzle.

14 cl, 10 dwg